What is the purpose of writing a UDF when dealing with downstream applications?
Snowflake - Build and Architect Data Pipelines Using AWS - Introduction to User-Defined Functions and UDF Types
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Computers
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9th - 10th Grade
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Hard
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The video tutorial introduces user-defined functions (UDFs) in Snowflake, explaining their purpose and practical applications. UDFs allow users to extend operations beyond system-defined functions, making code reusable. The tutorial covers writing UDFs in SQL and JavaScript, highlighting their differences and uses. It also explains the two types of UDFs: scalar, which returns a single value, and tabular, which returns a table. The video emphasizes the importance of UDFs in optimizing database operations and controlling data access.
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OPEN ENDED QUESTION
3 mins • 1 pt
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OPEN ENDED QUESTION
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Why can't JavaScript UDFs interact directly with database tables?
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